VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Matrix reference homeserver
Java wrapper for the popular chat & VOIP service
A domain based multi-tenant PBX & voice switch for FreeSWITCH
Convert VoIP calls to text and analyze them with AI
Issabel PBX - Unified Communications
VoIP/SIP SoftPhone (formerly known as jphonelite)
Open source Fax server software for inbound / outbound internet Faxing
SMS, Fax, Voice Broadcasting and auto dialer Software
Modern, AI-Smart, WASTE p2p for ipv4, Tor and i2p + Voice Conference.
Web based system for Computer Assisted Telephone Interviewing (CATI)
ICTCore: Unified Communications Framework for web developers
A portable peer to peer voice-chat/walkie-talkie.
Software per Call Center
Cerberus Content Management System
Unified Communications Server
Unified Communications System - PBX System
Java VoIP Softphone (SIP) (replaced by jfPhone)
Project about FusionPBX on Live Medium
Free software and hardware for telephony